13215060 has 36 divisors (see below), whose sum is σ = 40086228. Its totient is φ = 3523968.

The previous prime is 13215053. The next prime is 13215091. The reversal of 13215060 is 6051231.

It can be written as a sum of positive squares in 2 ways, for example, as 7851204 + 5363856 = 2802^2 + 2316^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 36529 + ... + 36888.

Almost surely, 2^13215060 is an apocalyptic number.

13215060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13215060 is an abundant number, since it is smaller than the sum of its proper divisors (26871168).

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

13215060 is a wasteful number, since it uses less digits than its factorization.

13215060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73432 (or 73427 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 13215060 is about 3635.2523983900. The cubic root of 13215060 is about 236.4229941473.

Adding to 13215060 its reverse (6051231), we get a palindrome (19266291).

The spelling of 13215060 in words is "thirteen million, two hundred fifteen thousand, sixty".