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13124037 = 329251601
BaseRepresentation
bin110010000100…
…000111000101
3220200202210110
4302010013011
511324432122
61145143233
7216360333
oct62040705
926622713
1013124037
117454313
12448ab19
132946804
141a58b53
15124390c
hexc841c5

13124037 has 16 divisors (see below), whose sum is σ = 18204480. Its totient is φ = 8400000.

The previous prime is 13124021. The next prime is 13124047. The reversal of 13124037 is 73042131.

It is not a de Polignac number, because 13124037 - 24 = 13124021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21537 + ... + 22137.

It is an arithmetic number, because the mean of its divisors is an integer number (1137780).

Almost surely, 213124037 is an apocalyptic number.

It is an amenable number.

13124037 is a deficient number, since it is larger than the sum of its proper divisors (5080443).

13124037 is a wasteful number, since it uses less digits than its factorization.

13124037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 13124037 is about 3622.7112774827. The cubic root of 13124037 is about 235.8789298089.

Adding to 13124037 its reverse (73042131), we get a palindrome (86166168).

The spelling of 13124037 in words is "thirteen million, one hundred twenty-four thousand, thirty-seven".

Divisors: 1 3 29 87 251 601 753 1803 7279 17429 21837 52287 150851 452553 4374679 13124037