12961497 has 8 divisors (see below), whose sum is σ = 18298656. Its totient is φ = 8132672.

The previous prime is 12961483. The next prime is 12961499. The reversal of 12961497 is 79416921.

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

It is a cyclic number.

It is not a de Polignac number, because 12961497 - 2¹⁰ = 12960473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12961499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127023 + ... + 127124.

It is an arithmetic number, because the mean of its divisors is an integer number (2287332).

Almost surely, 2^12961497 is an apocalyptic number.

12961497 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12961497 is a deficient number, since it is larger than the sum of its proper divisors (5337159).

12961497 is a wasteful number, since it uses less digits than its factorization.

12961497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254167.

The product of its digits is 27216, while the sum is 39.

The square root of 12961497 is about 3600.2079106629. The cubic root of 12961497 is about 234.9011021912.

The spelling of 12961497 in words is "twelve million, nine hundred sixty-one thousand, four hundred ninety-seven".