1512997 has 4 divisors (see below), whose sum is σ = 1520800. Its totient is φ = 1505196.

The previous prime is 1512961. The next prime is 1513013. The reversal of 1512997 is 7992151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1512997 - 2¹⁵ = 1480229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1512947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3603 + ... + 4000.

It is an arithmetic number, because the mean of its divisors is an integer number (380200).

2^1512997 is an apocalyptic number.

It is an amenable number.

1512997 is a deficient number, since it is larger than the sum of its proper divisors (7803).

1512997 is an equidigital number, since it uses as much as digits as its factorization.

1512997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7802.

The product of its digits is 5670, while the sum is 34.

The square root of 1512997 is about 1230.0394302623. The cubic root of 1512997 is about 114.8010928360.

The spelling of 1512997 in words is "one million, five hundred twelve thousand, nine hundred ninety-seven".