13344690 has 32 divisors (see below), whose sum is σ = 32161536. Its totient is φ = 3543680.

The previous prime is 13344689. The next prime is 13344703. The reversal of 13344690 is 9644331.

It is a super-2 number, since 2×13344690² = 356161502392200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 7639 + ... + 9221.

It is an arithmetic number, because the mean of its divisors is an integer number (1005048).

Almost surely, 2^13344690 is an apocalyptic number.

13344690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13344690 is an abundant number, since it is smaller than the sum of its proper divisors (18816846).

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

13344690 is a wasteful number, since it uses less digits than its factorization.

13344690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 13344690 is about 3653.0384613360. The cubic root of 13344690 is about 237.1935252800.

The spelling of 13344690 in words is "thirteen million, three hundred forty-four thousand, six hundred ninety".