Search a number
-
+
12485972 = 223121493
BaseRepresentation
bin101111101000…
…010101010100
3212111100112102
4233220111110
511144022342
61123341232
7211062152
oct57502524
925440472
1012485972
117058994
124221818
132782265
1419303d2
151169832
hexbe8554

12485972 has 6 divisors (see below), whose sum is σ = 21850458. Its totient is φ = 6242984.

The previous prime is 12485971. The next prime is 12485981. The reversal of 12485972 is 27958421.

12485972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11262736 + 1223236 = 3356^2 + 1106^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12485971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560743 + ... + 1560750.

It is an arithmetic number, because the mean of its divisors is an integer number (3641743).

Almost surely, 212485972 is an apocalyptic number.

It is an amenable number.

12485972 is a deficient number, since it is larger than the sum of its proper divisors (9364486).

12485972 is a wasteful number, since it uses less digits than its factorization.

12485972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121497 (or 3121495 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 12485972 is about 3533.5494902435. The cubic root of 12485972 is about 231.9925929066.

The spelling of 12485972 in words is "twelve million, four hundred eighty-five thousand, nine hundred seventy-two".

Divisors: 1 2 4 3121493 6242986 12485972