2196513 has 18 divisors (see below), whose sum is σ = 3489122. Its totient is φ = 1330560.

The previous prime is 2196499. The next prime is 2196529. The reversal of 2196513 is 3156912.

2196513 is a `hidden beast` number, since 2 + 1 + 9 + 651 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2108304 + 88209 = 1452^2 + 297^2 .

It is not a de Polignac number, because 2196513 - 2⁶ = 2196449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2196563) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 81 + ... + 2097.

2^2196513 is an apocalyptic number.

It is an amenable number.

2196513 is a deficient number, since it is larger than the sum of its proper divisors (1292609).

2196513 is a wasteful number, since it uses less digits than its factorization.

2196513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045 (or 2031 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 2196513 is about 1482.0637638105. The cubic root of 2196513 is about 129.9903937675.

The spelling of 2196513 in words is "two million, one hundred ninety-six thousand, five hundred thirteen".