13149620 has 24 divisors (see below), whose sum is σ = 30125088. Its totient is φ = 4781600.

The previous prime is 13149601. The next prime is 13149623. The reversal of 13149620 is 2694131.

It is a super-2 number, since 2×13149620² = 345825012288800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13149620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13149623) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29666 + ... + 30105.

It is an arithmetic number, because the mean of its divisors is an integer number (1255212).

Almost surely, 2^13149620 is an apocalyptic number.

13149620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13149620 is an abundant number, since it is smaller than the sum of its proper divisors (16975468).

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

13149620 is a wasteful number, since it uses less digits than its factorization.

13149620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59791 (or 59789 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 13149620 is about 3626.2404774091. The cubic root of 13149620 is about 236.0320984781.

The spelling of 13149620 in words is "thirteen million, one hundred forty-nine thousand, six hundred twenty".