13145900 has 36 divisors (see below), whose sum is σ = 29143968. Its totient is φ = 5144640.

The previous prime is 13145893. The next prime is 13145911. The reversal of 13145900 is 954131.

It is a happy 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 11 ways as a sum of consecutive naturals, for example, 3302 + ... + 6098.

Almost surely, 2^13145900 is an apocalyptic number.

13145900 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 13145900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14571984).

13145900 is an abundant number, since it is smaller than the sum of its proper divisors (15998068).

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

13145900 is a wasteful number, since it uses less digits than its factorization.

13145900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858 (or 2851 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 13145900 is about 3625.7275132034. The cubic root of 13145900 is about 236.0098387165.

The spelling of 13145900 in words is "thirteen million, one hundred forty-five thousand, nine hundred".