15013000 has 32 divisors (see below), whose sum is σ = 35132760. Its totient is φ = 6004800.

The previous prime is 15012967. The next prime is 15013001. The reversal of 15013000 is 31051.

It can be written as a sum of positive squares in 4 ways, for example, as 6120676 + 8892324 = 2474^2 + 2982^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (15013001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6507 + ... + 8506.

Almost surely, 2^15013000 is an apocalyptic number.

15013000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15013000 is an abundant number, since it is smaller than the sum of its proper divisors (20119760).

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

15013000 is a wasteful number, since it uses less digits than its factorization.

15013000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15034 (or 15020 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 15013000 is about 3874.6612755182. The cubic root of 15013000 is about 246.6924329873.

Adding to 15013000 its reverse (31051), we get a palindrome (15044051).

The spelling of 15013000 in words is "fifteen million, thirteen thousand".