1913107 has 6 divisors (see below), whose sum is σ = 2225508. Its totient is φ = 1639764.

The previous prime is 1913099. The next prime is 1913123. The reversal of 1913107 is 7013191.

It is not a de Polignac number, because 1913107 - 2³ = 1913099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1913147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19473 + ... + 19570.

It is an arithmetic number, because the mean of its divisors is an integer number (370918).

2^1913107 is an apocalyptic number.

1913107 is a deficient number, since it is larger than the sum of its proper divisors (312401).

1913107 is an equidigital number, since it uses as much as digits as its factorization.

1913107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39057 (or 39050 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 1913107 is about 1383.1511124964. The cubic root of 1913107 is about 124.1403847101.

Adding to 1913107 its reverse (7013191), we get a palindrome (8926298).

The spelling of 1913107 in words is "one million, nine hundred thirteen thousand, one hundred seven".