11970015 has 16 divisors (see below), whose sum is σ = 19344096. Its totient is φ = 6320000.

The previous prime is 11969987. The next prime is 11970017. The reversal of 11970015 is 51007911.

It is not a de Polignac number, because 11970015 - 2¹⁰ = 11968991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11970017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2436 + ... + 5465.

It is an arithmetic number, because the mean of its divisors is an integer number (1209006).

Almost surely, 2^11970015 is an apocalyptic number.

11970015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11970015 is a deficient number, since it is larger than the sum of its proper divisors (7374081).

11970015 is a wasteful number, since it uses less digits than its factorization.

11970015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8010.

The product of its (nonzero) digits is 315, while the sum is 24.

The square root of 11970015 is about 3459.7709461755. The cubic root of 11970015 is about 228.7519991464.

Adding to 11970015 its reverse (51007911), we get a palindrome (62977926).

The spelling of 11970015 in words is "eleven million, nine hundred seventy thousand, fifteen".