1272408 has 16 divisors (see below), whose sum is σ = 3181080. Its totient is φ = 424128.

The previous prime is 1272379. The next prime is 1272409. The reversal of 1272408 is 8042721.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 53017 = 1272408 / (1 + 2 + 7 + 2 + 4 + 0 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272409) 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, 26485 + ... + 26532.

2^1272408 is an apocalyptic number.

It is an amenable number.

1272408 is an abundant number, since it is smaller than the sum of its proper divisors (1908672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1272408 is a wasteful number, since it uses less digits than its factorization.

1272408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53026 (or 53022 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1272408 is about 1128.0106382477. The cubic root of 1272408 is about 108.3616136556.

Subtracting from 1272408 its sum of digits (24), we obtain a square (1272384 = 1128²).

The spelling of 1272408 in words is "one million, two hundred seventy-two thousand, four hundred eight".