1406513 has 4 divisors (see below), whose sum is σ = 1480560. Its totient is φ = 1332468.

The previous prime is 1406497. The next prime is 1406521. The reversal of 1406513 is 3156041.

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 1406513 - 2⁴ = 1406497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1406533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36995 + ... + 37032.

It is an arithmetic number, because the mean of its divisors is an integer number (370140).

2^1406513 is an apocalyptic number.

It is an amenable number.

1406513 is a deficient number, since it is larger than the sum of its proper divisors (74047).

1406513 is an equidigital number, since it uses as much as digits as its factorization.

1406513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74046.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1406513 is about 1185.9650079155. The cubic root of 1406513 is about 112.0421025809.

The spelling of 1406513 in words is "one million, four hundred six thousand, five hundred thirteen".