13625534 has 32 divisors (see below), whose sum is σ = 24131520. Its totient is φ = 5709312.

The previous prime is 13625533. The next prime is 13625537. The reversal of 13625534 is 43552631.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 13625497 and 13625506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13625533) 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, 12287 + ... + 13349.

It is an arithmetic number, because the mean of its divisors is an integer number (754110).

Almost surely, 2^13625534 is an apocalyptic number.

13625534 is a deficient number, since it is larger than the sum of its proper divisors (10505986).

13625534 is a wasteful number, since it uses less digits than its factorization.

13625534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124.

The product of its digits is 10800, while the sum is 29.

The square root of 13625534 is about 3691.2780984369. The cubic root of 13625534 is about 238.8459293060.

The spelling of 13625534 in words is "thirteen million, six hundred twenty-five thousand, five hundred thirty-four".