13621532 has 12 divisors (see below), whose sum is σ = 24659880. Its totient is φ = 6575856.

The previous prime is 13621529. The next prime is 13621541. The reversal of 13621532 is 23512631.

It is a super-2 number, since 2×13621532² = 371092268054048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13621498 and 13621507.

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, 58598 + ... + 58829.

It is an arithmetic number, because the mean of its divisors is an integer number (2054990).

Almost surely, 2^13621532 is an apocalyptic number.

It is an amenable number.

13621532 is a deficient number, since it is larger than the sum of its proper divisors (11038348).

13621532 is a wasteful number, since it uses less digits than its factorization.

13621532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117460 (or 117458 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 13621532 is about 3690.7359699659. The cubic root of 13621532 is about 238.8225429441.

The spelling of 13621532 in words is "thirteen million, six hundred twenty-one thousand, five hundred thirty-two".