1206513 has 24 divisors (see below), whose sum is σ = 2174016. Its totient is φ = 626400.

The previous prime is 1206497. The next prime is 1206529. The reversal of 1206513 is 3156021.

1206513 is a `hidden beast` number, since 12 + 0 + 651 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (1206497) and next prime (1206529).

It is not a de Polignac number, because 1206513 - 2⁴ = 1206497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1206553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178 + ... + 1563.

It is an arithmetic number, because the mean of its divisors is an integer number (90584).

2^1206513 is an apocalyptic number.

It is an amenable number.

1206513 is a deficient number, since it is larger than the sum of its proper divisors (967503).

1206513 is a wasteful number, since it uses less digits than its factorization.

1206513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765 (or 1762 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1206513 is about 1098.4138564312. The cubic root of 1206513 is about 106.4577627923.

The spelling of 1206513 in words is "one million, two hundred six thousand, five hundred thirteen".