1213715 has 16 divisors (see below), whose sum is σ = 1568160. Its totient is φ = 898560.

The previous prime is 1213673. The next prime is 1213721. The reversal of 1213715 is 5173121.

It is not a de Polignac number, because 1213715 - 2⁶ = 1213651 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9200 + ... + 9330.

It is an arithmetic number, because the mean of its divisors is an integer number (98010).

2^1213715 is an apocalyptic number.

1213715 is a deficient number, since it is larger than the sum of its proper divisors (354445).

1213715 is a wasteful number, since it uses less digits than its factorization.

1213715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262.

The product of its digits is 210, while the sum is 20.

The square root of 1213715 is about 1101.6873422165. The cubic root of 1213715 is about 106.6691676931.

Adding to 1213715 its reverse (5173121), we get a palindrome (6386836).

The spelling of 1213715 in words is "one million, two hundred thirteen thousand, seven hundred fifteen".