1406971 has 4 divisors (see below), whose sum is σ = 1489752. Its totient is φ = 1324192.

The previous prime is 1406959. The next prime is 1406983. The reversal of 1406971 is 1796041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1796041 = 13 ⋅138157.

It is an interprime number because it is at equal distance from previous prime (1406959) and next prime (1406983).

It is a cyclic number.

It is not a de Polignac number, because 1406971 - 2⁵ = 1406939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1406071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41365 + ... + 41398.

It is an arithmetic number, because the mean of its divisors is an integer number (372438).

2^1406971 is an apocalyptic number.

1406971 is a deficient number, since it is larger than the sum of its proper divisors (82781).

1406971 is an equidigital number, since it uses as much as digits as its factorization.

1406971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82780.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1406971 is about 1186.1580838994. The cubic root of 1406971 is about 112.0542626093.

It can be divided in two parts, 14069 and 71, that multiplied together give a palindrome (998899).

The spelling of 1406971 in words is "one million, four hundred six thousand, nine hundred seventy-one".