1293672988 has 24 divisors (see below), whose sum is σ = 2389882320. Its totient is φ = 611043840.

The previous prime is 1293672949. The next prime is 1293673009. The reversal of 1293672988 is 8892763921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2718 + ... + 50938.

It is an arithmetic number, because the mean of its divisors is an integer number (99578430).

Almost surely, 2^1293672988 is an apocalyptic number.

It is an amenable number.

1293672988 is a deficient number, since it is larger than the sum of its proper divisors (1096209332).

1293672988 is a wasteful number, since it uses less digits than its factorization.

1293672988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48597 (or 48595 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 55.

The square root of 1293672988 is about 35967.6658681099. The cubic root of 1293672988 is about 1089.6194244131.

It can be divided in two parts, 129367 and 2988, that added together give a triangular number (132355 = T₅₁₄).

The spelling of 1293672988 in words is "one billion, two hundred ninety-three million, six hundred seventy-two thousand, nine hundred eighty-eight".