13491634 has 32 divisors (see below), whose sum is σ = 23708160. Its totient is φ = 5702400.

The previous prime is 13491629. The next prime is 13491677. The reversal of 13491634 is 43619431.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 13491596 and 13491605.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14874 + ... + 15754.

It is an arithmetic number, because the mean of its divisors is an integer number (740880).

Almost surely, 2^13491634 is an apocalyptic number.

13491634 is a deficient number, since it is larger than the sum of its proper divisors (10216526).

13491634 is a wasteful number, since it uses less digits than its factorization.

13491634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946.

The product of its digits is 7776, while the sum is 31.

The square root of 13491634 is about 3673.0959693425. The cubic root of 13491634 is about 238.0609617159.

The spelling of 13491634 in words is "thirteen million, four hundred ninety-one thousand, six hundred thirty-four".