1272336 has 40 divisors (see below), whose sum is σ = 3541440. Its totient is φ = 391296.

The previous prime is 1272329. The next prime is 1272343. The reversal of 1272336 is 6332721.

It is an interprime number because it is at equal distance from previous prime (1272329) and next prime (1272343).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam 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, 396 + ... + 1643.

It is an arithmetic number, because the mean of its divisors is an integer number (88536).

2^1272336 is an apocalyptic number.

1272336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1272336 is an abundant number, since it is smaller than the sum of its proper divisors (2269104).

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

1272336 is a wasteful number, since it uses less digits than its factorization.

1272336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063 (or 2057 counting only the distinct ones).

The product of its digits is 1512, while the sum is 24.

The square root of 1272336 is about 1127.9787232036. The cubic root of 1272336 is about 108.3595697139.

The spelling of 1272336 in words is "one million, two hundred seventy-two thousand, three hundred thirty-six".