1307472 has 20 divisors (see below), whose sum is σ = 3377760. Its totient is φ = 435808.

The previous prime is 1307461. The next prime is 1307473. The reversal of 1307472 is 2747031.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13572 + ... + 13667.

It is an arithmetic number, because the mean of its divisors is an integer number (168888).

2^1307472 is an apocalyptic number.

1307472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1307472 is an abundant number, since it is smaller than the sum of its proper divisors (2070288).

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

1307472 is a wasteful number, since it uses less digits than its factorization.

1307472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27250 (or 27244 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 1307472 is about 1143.4474189922. The cubic root of 1307472 is about 109.3479886495.

The spelling of 1307472 in words is "one million, three hundred seven thousand, four hundred seventy-two".