12961463 has 16 divisors (see below), whose sum is σ = 14463360. Its totient is φ = 11558400.

The previous prime is 12961457. The next prime is 12961469. The reversal of 12961463 is 36416921.

It is an interprime number because it is at equal distance from previous prime (12961457) and next prime (12961469).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12961463 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 (12961469) 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, 29858 + ... + 30288.

It is an arithmetic number, because the mean of its divisors is an integer number (903960).

Almost surely, 2^12961463 is an apocalyptic number.

12961463 is a deficient number, since it is larger than the sum of its proper divisors (1501897).

12961463 is a wasteful number, since it uses less digits than its factorization.

12961463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538.

The product of its digits is 7776, while the sum is 32.

The square root of 12961463 is about 3600.2031887103. The cubic root of 12961463 is about 234.9008967971.

The spelling of 12961463 in words is "twelve million, nine hundred sixty-one thousand, four hundred sixty-three".