13357806 has 64 divisors (see below), whose sum is σ = 34490880. Its totient is φ = 3346560.

The previous prime is 13357793. The next prime is 13357837. The reversal of 13357806 is 60875331.

It is a happy number.

It is a super-2 number, since 2×13357806² = 356861962267272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12900 + ... + 13896.

It is an arithmetic number, because the mean of its divisors is an integer number (538920).

Almost surely, 2^13357806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13357806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17245440).

13357806 is an abundant number, since it is smaller than the sum of its proper divisors (21133074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13357806 is a wasteful number, since it uses less digits than its factorization.

13357806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 13357806 is about 3654.8332383298. The cubic root of 13357806 is about 237.2712094024.

The spelling of 13357806 in words is "thirteen million, three hundred fifty-seven thousand, eight hundred six".