13191094 has 40 divisors (see below), whose sum is σ = 23998968. Its totient is φ = 5433120.

The previous prime is 13191091. The next prime is 13191097. The reversal of 13191094 is 49019131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13191091) and next prime (13191097).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13191091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 196849 + ... + 196915.

Almost surely, 2^13191094 is an apocalyptic number.

13191094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13191094 is a deficient number, since it is larger than the sum of its proper divisors (10807874).

13191094 is an frugal number, since it uses more digits than its factorization.

13191094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 13191094 is about 3631.9545702005. The cubic root of 13191094 is about 236.2799870487.

The spelling of 13191094 in words is "thirteen million, one hundred ninety-one thousand, ninety-four".