13523607 has 12 divisors (see below), whose sum is σ = 19581120. Its totient is φ = 8994048.

The previous prime is 13523603. The next prime is 13523617. The reversal of 13523607 is 70632531.

It is a happy number.

13523607 is a `hidden beast` number, since 1 + 3 + 52 + 3 + 607 = 666.

It is not a de Polignac number, because 13523607 - 2² = 13523603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13523603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2743 + ... + 5879.

It is an arithmetic number, because the mean of its divisors is an integer number (1631760).

Almost surely, 2^13523607 is an apocalyptic number.

13523607 is a deficient number, since it is larger than the sum of its proper divisors (6057513).

13523607 is a wasteful number, since it uses less digits than its factorization.

13523607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622 (or 3619 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 13523607 is about 3677.4457167985. The cubic root of 13523607 is about 238.2488687389.

The spelling of 13523607 in words is "thirteen million, five hundred twenty-three thousand, six hundred seven".