19147412 has 24 divisors (see below), whose sum is σ = 34450920. Its totient is φ = 9308160.

The previous prime is 19147411. The next prime is 19147433. The reversal of 19147412 is 21474191.

It can be written as a sum of positive squares in 4 ways, for example, as 1473796 + 17673616 = 1214^2 + 4204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19147411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23264 + ... + 24072.

It is an arithmetic number, because the mean of its divisors is an integer number (1435455).

Almost surely, 2^19147412 is an apocalyptic number.

It is an amenable number.

19147412 is a deficient number, since it is larger than the sum of its proper divisors (15303508).

19147412 is a wasteful number, since it uses less digits than its factorization.

19147412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971 (or 969 counting only the distinct ones).

The product of its digits is 2016, while the sum is 29.

The square root of 19147412 is about 4375.7755883957. The cubic root of 19147412 is about 267.5284832977.

The spelling of 19147412 in words is "nineteen million, one hundred forty-seven thousand, four hundred twelve".