13015061 has 4 divisors (see below), whose sum is σ = 13095072. Its totient is φ = 12935052.

The previous prime is 13015049. The next prime is 13015073. The reversal of 13015061 is 16051031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (13015049) and next prime (13015073).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13015061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39761 + ... + 40086.

It is an arithmetic number, because the mean of its divisors is an integer number (3273768).

Almost surely, 2^13015061 is an apocalyptic number.

It is an amenable number.

13015061 is a deficient number, since it is larger than the sum of its proper divisors (80011).

13015061 is an equidigital number, since it uses as much as digits as its factorization.

13015061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80010.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 13015061 is about 3607.6392558015. The cubic root of 13015061 is about 235.2242374505.

Adding to 13015061 its reverse (16051031), we get a palindrome (29066092).

The spelling of 13015061 in words is "thirteen million, fifteen thousand, sixty-one".