13749490 has 16 divisors (see below), whose sum is σ = 24799680. Its totient is φ = 5488560.

The previous prime is 13749487. The next prime is 13749503. The reversal of 13749490 is 9494731.

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 7 ways as a sum of consecutive naturals, for example, 5221 + ... + 7399.

It is an arithmetic number, because the mean of its divisors is an integer number (1549980).

Almost surely, 2^13749490 is an apocalyptic number.

13749490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13749490 is a deficient number, since it is larger than the sum of its proper divisors (11050190).

13749490 is a wasteful number, since it uses less digits than its factorization.

13749490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 13749490 is about 3708.0304745242. The cubic root of 13749490 is about 239.5680308479.

The spelling of 13749490 in words is "thirteen million, seven hundred forty-nine thousand, four hundred ninety".