12967501 has 8 divisors (see below), whose sum is σ = 13503224. Its totient is φ = 12441600.

The previous prime is 12967483. The next prime is 12967523. The reversal of 12967501 is 10576921.

It can be written as a sum of positive squares in 4 ways, for example, as 5294601 + 7672900 = 2301^2 + 2770^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 6-Lehmer number, since φ(12967501) divides (12967501-1)⁶.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12967501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12967531) 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, 301 + ... + 5101.

It is an arithmetic number, because the mean of its divisors is an integer number (1687903).

Almost surely, 2^12967501 is an apocalyptic number.

It is an amenable number.

12967501 is a deficient number, since it is larger than the sum of its proper divisors (535723).

12967501 is an equidigital number, since it uses as much as digits as its factorization.

12967501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4911.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 12967501 is about 3601.0416548549. The cubic root of 12967501 is about 234.9373667396.

The spelling of 12967501 in words is "twelve million, nine hundred sixty-seven thousand, five hundred one".