2137347 has 10 divisors (see below), whose sum is σ = 3192948. Its totient is φ = 1424844.

The previous prime is 2137339. The next prime is 2137351. The reversal of 2137347 is 7437312.

It is not a de Polignac number, because 2137347 - 2³ = 2137339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 3 + 7⁵ + 3⁸ + 4² + 7⁵ .

2137347 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2137347.

It is not an unprimeable number, because it can be changed into a prime (2137307) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13113 + ... + 13274.

2^2137347 is an apocalyptic number.

2137347 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2137347 is a deficient number, since it is larger than the sum of its proper divisors (1055601).

2137347 is an equidigital number, since it uses as much as digits as its factorization.

2137347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26399 (or 26390 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 2137347 is about 1461.9668258890. The cubic root of 2137347 is about 128.8125997152.

The spelling of 2137347 in words is "two million, one hundred thirty-seven thousand, three hundred forty-seven".