13620634 has 8 divisors (see below), whose sum is σ = 20468448. Its totient is φ = 6797820.

The previous prime is 13620619. The next prime is 13620641. The reversal of 13620634 is 43602631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13620599 and 13620608.

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, 4822 + ... + 7105.

It is an arithmetic number, because the mean of its divisors is an integer number (2558556).

Almost surely, 2^13620634 is an apocalyptic number.

13620634 is a deficient number, since it is larger than the sum of its proper divisors (6847814).

13620634 is a wasteful number, since it uses less digits than its factorization.

13620634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12500.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 13620634 is about 3690.6143120082. The cubic root of 13620634 is about 238.8172947005.

The spelling of 13620634 in words is "thirteen million, six hundred twenty thousand, six hundred thirty-four".