13139600 has 60 divisors (see below), whose sum is σ = 31966704. Its totient is φ = 5189760.

The previous prime is 13139597. The next prime is 13139611. The reversal of 13139600 is 693131.

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 11 ways as a sum of consecutive naturals, for example, 42647 + ... + 42953.

Almost surely, 2^13139600 is an apocalyptic number.

13139600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13139600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15983352).

13139600 is an abundant number, since it is smaller than the sum of its proper divisors (18827104).

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

13139600 is a wasteful number, since it uses less digits than its factorization.

13139600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 13139600 is about 3624.8586179326. The cubic root of 13139600 is about 235.9721311533.

The spelling of 13139600 in words is "thirteen million, one hundred thirty-nine thousand, six hundred".