13129824 has 24 divisors (see below), whose sum is σ = 34466040. Its totient is φ = 4376576.

The previous prime is 13129807. The next prime is 13129841. The reversal of 13129824 is 42892131.

It is an interprime number because it is at equal distance from previous prime (13129807) and next prime (13129841).

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 13129791 and 13129800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68289 + ... + 68480.

It is an arithmetic number, because the mean of its divisors is an integer number (1436085).

Almost surely, 2^13129824 is an apocalyptic number.

It is an amenable number.

13129824 is an abundant number, since it is smaller than the sum of its proper divisors (21336216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13129824 is a wasteful number, since it uses less digits than its factorization.

13129824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136782 (or 136774 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 13129824 is about 3623.5099006350. The cubic root of 13129824 is about 235.9135947214.

The spelling of 13129824 in words is "thirteen million, one hundred twenty-nine thousand, eight hundred twenty-four".