13149690 has 32 divisors (see below), whose sum is σ = 31945536. Its totient is φ = 3463680.

The previous prime is 13149679. The next prime is 13149713. The reversal of 13149690 is 9694131.

It is a super-2 number, since 2×13149690² = 345828694192200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151 + ... + 5130.

It is an arithmetic number, because the mean of its divisors is an integer number (998298).

Almost surely, 2^13149690 is an apocalyptic number.

13149690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13149690 is an abundant number, since it is smaller than the sum of its proper divisors (18795846).

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

13149690 is a wasteful number, since it uses less digits than its factorization.

13149690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5374.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 13149690 is about 3626.2501292658. The cubic root of 13149690 is about 236.0325173043.

The spelling of 13149690 in words is "thirteen million, one hundred forty-nine thousand, six hundred ninety".