12950019 has 6 divisors (see below), whose sum is σ = 18705596. Its totient is φ = 8633340.

The previous prime is 12950017. The next prime is 12950023. The reversal of 12950019 is 91005921.

It is a happy number.

It is not a de Polignac number, because 12950019 - 2¹ = 12950017 is a prime.

It is a super-2 number, since 2×12950019² = 335405984200722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12949974 and 12950001.

It is not an unprimeable number, because it can be changed into a prime (12950017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 719437 + ... + 719454.

Almost surely, 2^12950019 is an apocalyptic number.

12950019 is a deficient number, since it is larger than the sum of its proper divisors (5755577).

12950019 is a wasteful number, since it uses less digits than its factorization.

12950019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438897 (or 1438894 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 12950019 is about 3598.6134829959. The cubic root of 12950019 is about 234.8317431474.

The spelling of 12950019 in words is "twelve million, nine hundred fifty thousand, nineteen".