1399708 has 6 divisors (see below), whose sum is σ = 2449496. Its totient is φ = 699852.

The previous prime is 1399691. The next prime is 1399709. The reversal of 1399708 is 8079931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174960 + ... + 174967.

2^1399708 is an apocalyptic number.

It is an amenable number.

1399708 is a deficient number, since it is larger than the sum of its proper divisors (1049788).

1399708 is a wasteful number, since it uses less digits than its factorization.

1399708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349931 (or 349929 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 1399708 is about 1183.0925576640. The cubic root of 1399708 is about 111.8611161157.

The spelling of 1399708 in words is "one million, three hundred ninety-nine thousand, seven hundred eight".