12071494 has 4 divisors (see below), whose sum is σ = 18107244. Its totient is φ = 6035746.

The previous prime is 12071489. The next prime is 12071503. The reversal of 12071494 is 49417021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49417021 = 661 ⋅74761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3017872 + ... + 3017875.

It is an arithmetic number, because the mean of its divisors is an integer number (4526811).

Almost surely, 2^12071494 is an apocalyptic number.

12071494 is a deficient number, since it is larger than the sum of its proper divisors (6035750).

12071494 is an equidigital number, since it uses as much as digits as its factorization.

12071494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6035749.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 12071494 is about 3474.4055606679. The cubic root of 12071494 is about 229.3966163207.

It can be divided in two parts, 1207 and 1494, that added together give a triangular number (2701 = T₇₃).

The spelling of 12071494 in words is "twelve million, seventy-one thousand, four hundred ninety-four".