12950987 has 4 divisors (see below), whose sum is σ = 14801136. Its totient is φ = 11100840.

The previous prime is 12950947. The next prime is 12951007. The reversal of 12950987 is 78905921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78905921 = 71 ⋅1111351.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12950987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12950947) 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, 925064 + ... + 925077.

It is an arithmetic number, because the mean of its divisors is an integer number (3700284).

Almost surely, 2^12950987 is an apocalyptic number.

12950987 is a deficient number, since it is larger than the sum of its proper divisors (1850149).

12950987 is an equidigital number, since it uses as much as digits as its factorization.

12950987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850148.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 12950987 is about 3598.7479767275. The cubic root of 12950987 is about 234.8375941418.

The spelling of 12950987 in words is "twelve million, nine hundred fifty thousand, nine hundred eighty-seven".