1276993425 has 12 divisors (see below), whose sum is σ = 2111295920. Its totient is φ = 681063120.

The previous prime is 1276993411. The next prime is 1276993481. The reversal of 1276993425 is 5243996721.

It is not a de Polignac number, because 1276993425 - 2⁸ = 1276993169 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8513215 + ... + 8513364.

Almost surely, 2^1276993425 is an apocalyptic number.

1276993425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1276993425 is a deficient number, since it is larger than the sum of its proper divisors (834302495).

1276993425 is a wasteful number, since it uses less digits than its factorization.

1276993425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17026592 (or 17026587 counting only the distinct ones).

The product of its digits is 816480, while the sum is 48.

The square root of 1276993425 is about 35735.0447740030. The cubic root of 1276993425 is about 1084.9162655619.

The spelling of 1276993425 in words is "one billion, two hundred seventy-six million, nine hundred ninety-three thousand, four hundred twenty-five".