1406613 has 8 divisors (see below), whose sum is σ = 2019808. Its totient is φ = 865584.

The previous prime is 1406609. The next prime is 1406617. The reversal of 1406613 is 3166041.

It is an interprime number because it is at equal distance from previous prime (1406609) and next prime (1406617).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1406613 - 2² = 1406609 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1406613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17995 + ... + 18072.

It is an arithmetic number, because the mean of its divisors is an integer number (252476).

2^1406613 is an apocalyptic number.

1406613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1406613 is a deficient number, since it is larger than the sum of its proper divisors (613195).

1406613 is a wasteful number, since it uses less digits than its factorization.

1406613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36083.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1406613 is about 1186.0071669261. The cubic root of 1406613 is about 112.0447578341.

The spelling of 1406613 in words is "one million, four hundred six thousand, six hundred thirteen".