13146990 has 16 divisors (see below), whose sum is σ = 31552848. Its totient is φ = 3505856.

The previous prime is 13146979. The next prime is 13146997. The reversal of 13146990 is 9964131.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13146997) by changing a digit.

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, 219087 + ... + 219146.

It is an arithmetic number, because the mean of its divisors is an integer number (1972053).

Almost surely, 2^13146990 is an apocalyptic number.

13146990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13146990 is an abundant number, since it is smaller than the sum of its proper divisors (18405858).

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

13146990 is a wasteful number, since it uses less digits than its factorization.

13146990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438243.

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

The square root of 13146990 is about 3625.8778247481. The cubic root of 13146990 is about 236.0163615009.

The spelling of 13146990 in words is "thirteen million, one hundred forty-six thousand, nine hundred ninety".