1307388 has 12 divisors (see below), whose sum is σ = 3050600. Its totient is φ = 435792.

The previous prime is 1307353. The next prime is 1307393. The reversal of 1307388 is 8837031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54463 + ... + 54486.

2^1307388 is an apocalyptic number.

It is an amenable number.

1307388 is an abundant number, since it is smaller than the sum of its proper divisors (1743212).

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

1307388 is a wasteful number, since it uses less digits than its factorization.

1307388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108956 (or 108954 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1307388 is about 1143.4106873735. The cubic root of 1307388 is about 109.3456468715.

The spelling of 1307388 in words is "one million, three hundred seven thousand, three hundred eighty-eight".