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13196245 = 54216269
BaseRepresentation
bin110010010101…
…101111010101
3220211102211211
4302111233111
511334234440
61150501421
7220111006
oct62255725
926742754
1013196245
1174a3597
124504871
13297063a
141a771ad
151259eea
hexc95bd5

13196245 has 8 divisors (see below), whose sum is σ = 15875640. Its totient is φ = 10530240.

The previous prime is 13196231. The next prime is 13196263. The reversal of 13196245 is 54269131.

It can be written as a sum of positive squares in 4 ways, for example, as 221841 + 12974404 = 471^2 + 3602^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13196245 - 29 = 13195733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030 + ... + 5239.

It is an arithmetic number, because the mean of its divisors is an integer number (1984455).

Almost surely, 213196245 is an apocalyptic number.

It is an amenable number.

13196245 is a deficient number, since it is larger than the sum of its proper divisors (2679395).

13196245 is an equidigital number, since it uses as much as digits as its factorization.

13196245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6695.

The product of its digits is 6480, while the sum is 31.

The square root of 13196245 is about 3632.6636232935. The cubic root of 13196245 is about 236.3107380950.

The spelling of 13196245 in words is "thirteen million, one hundred ninety-six thousand, two hundred forty-five".

Divisors: 1 5 421 2105 6269 31345 2639249 13196245