1406007 has 12 divisors (see below), whose sum is σ = 2101320. Its totient is φ = 904848.

The previous prime is 1405997. The next prime is 1406011. The reversal of 1406007 is 7006041.

It is not a de Polignac number, because 1406007 - 2⁷ = 1405879 is a prime.

It is an Ulam number.

1406007 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2433 + ... + 2954.

It is an arithmetic number, because the mean of its divisors is an integer number (175110).

2^1406007 is an apocalyptic number.

1406007 is a deficient number, since it is larger than the sum of its proper divisors (695313).

1406007 is a wasteful number, since it uses less digits than its factorization.

1406007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5422 (or 5419 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1406007 is about 1185.7516603404. The cubic root of 1406007 is about 112.0286650694.

The spelling of 1406007 in words is "one million, four hundred six thousand, seven".