1290672 has 30 divisors (see below), whose sum is σ = 3612492. Its totient is φ = 430176.

The previous prime is 1290659. The next prime is 1290673. The reversal of 1290672 is 2760921.

It is a super-3 number, since 3×1290672³ = 6450136720600633344, which contains 333 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1290673) 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, 4338 + ... + 4625.

2^1290672 is an apocalyptic number.

1290672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1290672 is an abundant number, since it is smaller than the sum of its proper divisors (2321820).

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

1290672 is a wasteful number, since it uses less digits than its factorization.

1290672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8977 (or 8968 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1290672 is about 1136.0774621477. The cubic root of 1290672 is about 108.8776226640.

The spelling of 1290672 in words is "one million, two hundred ninety thousand, six hundred seventy-two".