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13970341 = 721125919
BaseRepresentation
bin110101010010…
…101110100101
3222021202201001
4311102232211
512034022331
61215233301
7226513600
oct65225645
928252631
1013970341
117982140
124818831
132b81a98
141bd9337
15135e561
hexd52ba5

13970341 has 12 divisors (see below), whose sum is σ = 17729280. Its totient is φ = 10885560.

The previous prime is 13970309. The next prime is 13970347. The reversal of 13970341 is 14307931.

It is not a de Polignac number, because 13970341 - 25 = 13970309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13970347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12421 + ... + 13498.

It is an arithmetic number, because the mean of its divisors is an integer number (1477440).

Almost surely, 213970341 is an apocalyptic number.

13970341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13970341 is a deficient number, since it is larger than the sum of its proper divisors (3758939).

13970341 is a wasteful number, since it uses less digits than its factorization.

13970341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25944 (or 25937 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 13970341 is about 3737.6919348710. The cubic root of 13970341 is about 240.8439098761.

The spelling of 13970341 in words is "thirteen million, nine hundred seventy thousand, three hundred forty-one".

Divisors: 1 7 11 49 77 539 25919 181433 285109 1270031 1995763 13970341