13577990 has 16 divisors (see below), whose sum is σ = 24842160. Its totient is φ = 5341920.

The previous prime is 13577987. The next prime is 13578007. The reversal of 13577990 is 9977531.

It is a super-4 number, since 4×13577990⁴ (a number of 30 digits) contains 4444 as substring.

It is a congruent number.

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, 10520 + ... + 11739.

It is an arithmetic number, because the mean of its divisors is an integer number (1552635).

Almost surely, 2^13577990 is an apocalyptic number.

13577990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13577990 is a deficient number, since it is larger than the sum of its proper divisors (11264170).

13577990 is a wasteful number, since it uses less digits than its factorization.

13577990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22327.

The product of its (nonzero) digits is 59535, while the sum is 41.

The square root of 13577990 is about 3684.8324249550. The cubic root of 13577990 is about 238.5678013822.

It can be divided in two parts, 135 and 77990, that added together give a 7-th power (78125 = 5⁷).

The spelling of 13577990 in words is "thirteen million, five hundred seventy-seven thousand, nine hundred ninety".