13149020 has 12 divisors (see below), whose sum is σ = 27612984. Its totient is φ = 5259600.

The previous prime is 13149001. The next prime is 13149043. The reversal of 13149020 is 2094131.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 657451 = 13149020 / (1 + 3 + 1 + 4 + 9 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 13148983 and 13149001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328706 + ... + 328745.

It is an arithmetic number, because the mean of its divisors is an integer number (2301082).

Almost surely, 2^13149020 is an apocalyptic number.

13149020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13149020 is an abundant number, since it is smaller than the sum of its proper divisors (14463964).

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

13149020 is a wasteful number, since it uses less digits than its factorization.

13149020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657460 (or 657458 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 13149020 is about 3626.1577461550. The cubic root of 13149020 is about 236.0285084779.

The spelling of 13149020 in words is "thirteen million, one hundred forty-nine thousand, twenty".