15413820 has 48 divisors (see below), whose sum is σ = 44556288. Its totient is φ = 3977280.

The previous prime is 15413777. The next prime is 15413837. The reversal of 15413820 is 2831451.

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 15 ways as a sum of consecutive naturals, for example, 2284 + ... + 6003.

It is an arithmetic number, because the mean of its divisors is an integer number (928256).

Almost surely, 2^15413820 is an apocalyptic number.

15413820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15413820 is an abundant number, since it is smaller than the sum of its proper divisors (29142468).

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

15413820 is a wasteful number, since it uses less digits than its factorization.

15413820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8330 (or 8328 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 15413820 is about 3926.0438102497. The cubic root of 15413820 is about 248.8685940734.

The spelling of 15413820 in words is "fifteen million, four hundred thirteen thousand, eight hundred twenty".